Exhibit 4.2


 


NUMBER


 


C-


 


	 	SHARES
	 	SEE REVERSE FOR
	 	CERTAIN DEFINITIONS
	 	CUSIP [          ]




 


SPARTAN ENERGY ACQUISITION CORP.

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

CLASS A COMMON STOCK


 


This Certifies that


 


is the owner of


 


FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.0001
EACH OF THE CLASS A COMMON STOCK OF


 


SPARTAN ENERGY ACQUISITION CORP.

(THE “CORPORATION”)


 


transferable on the books of the Corporation in person or by
duly authorized attorney upon surrender of this certificate properly endorsed. The Corporation will be forced to redeem all of
its shares of Class A common stock if it is unable to complete a business combination by [           ], 2020, as more fully described
in the Corporation’s final prospectus dated [         ], 2018.


 


This certificate is not valid unless countersigned by the Transfer
Agent and registered by the Registrar.


 


Witness the seal of the Corporation and
the facsimile signatures of its duly authorized officers.


 


 


	Secretary	[Corporate Seal]

Delaware	Chief Executive Officer


 




     


     


    

 


SPARTAN ENERGY ACQUISITION CORP.


 


The Corporation will furnish without charge to each stockholder
who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class
of stock or series thereof of the Corporation and the qualifications, limitations, or restrictions of such preferences and/or rights.
This certificate and the shares represented thereby are issued and shall be held subject to all the provisions of the Certificate
of Incorporation and all amendments thereto and resolutions of the Board of Directors providing for the issue of securities (copies
of which may be obtained from the secretary of the Corporation), to all of which the holder of this certificate by acceptance hereof
assents. The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though
they were written out in full according to applicable laws or regulations:


 


	TEN COM	—	as tenants in common	UNIF GIFT MIN ACT —	Custodian
	TEN ENT	—	as tenants by the entireties	 	(Cust)	 	(Minor)
	JT TEN	—	as joint tenants with right 

of survivorship and not as tenants in common	under Uniform Gifts to Minors
	 	 	 	 	Act___________________________________
	 	 	 	 	(State)


 


Additional abbreviations may also be used though not in the
above list.


 


For value received,                     
hereby sells, assigns and transfers unto


 


 





 



(PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER(S) OF ASSIGNEE(S))


 


 





 



(PLEASE PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES),
INCLUDING ZIP CODE, OF ASSIGNEE(S))


 


 





 



 


 





 



 


 





 



 


Shares of the capital stock represented by the within Certificate,
and hereby irrevocably constitutes and appoints


 


Attorney to transfer the said stock on the books of the within
named Corporation with full power of substitution in the premises.


 


Dated:


 





 



NOTICE: THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND
WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
WHATEVER.


 


Signature(s) Guaranteed:


By


 





 



THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR
INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE
MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE)) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED).


 




    	 	2	 



     


    

 


In each case, as more fully described in
the Corporation’s final prospectus dated [             ], 2018, the holder(s) of this certificate shall be entitled to receive a pro-rata
portion of certain funds held in the trust account established in connection with the Corporation’s initial public offering
only in the event that (i) the Corporation redeems the shares of Class A common stock sold in its initial public offering and liquidates
because it does not consummate an initial business combination by [            ], 2020, (ii)
the Corporation redeems the shares of Class A common stock sold in its initial public offering in connection with a stockholder
vote to approve an amendment to the Corporation’s amended and restated certificate of incorporation that would affect the
substance or timing of the Corporation’s obligation to redeem 100% of the Class A common stock if it does not consummate
an initial business combination by [              ], 2020 or (iii) if
the holder(s) seek(s) to redeem for cash his, her or its respective shares of Class A common stock in connection with a tender
offer (or proxy solicitation, solely in the event the Corporation seeks stockholder approval of the proposed initial business combination)
setting forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have any right
or interest of any kind in or to the trust account.




 


 


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